Fergie
Fergie cut her teeth in the '80s with voice work on Charlie Brown specials and acting alongside Mario Lopez and Jennifer Love Hewittt on the Disney musical series, Kids Incorporated. She released two albums in the late '90s with the girl group Wild Orchid and while they toured with 'N Sync (when she briefly dated Justin Timberlake), they never took off. Fergie started experimenting with drugs, eventually becoming a crystal meth addict and shrinking down to 90 lbs. She stopped cold turkey and returned to the limelight when will.i.am asked her to sing on the Black Eyed Peas' single "Shut